The cones do work -- you'll b playing with your three transparency values, but the basic set fo P4 is a great start. In this case, as well, I'd say use them. Yeah, check the specular values and highlight size. Highlight size first, though -- a lot of stuff I've had come across in P4 has really high highlight values, and that plays havoc.

thou and I, my friend, can, in the most flunkey world, make, each of us, one non-flunkey, one hero, if we like: that will be two heroes to begin with. (Carlyle)